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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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//
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using System.Runtime.InteropServices;
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namespace SharpDisplayManager
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{
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/// <summary>
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/// Provide access to our display hardware through MiniDisplay API.
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/// </summary>
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class Display
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{
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//Constructor
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public Display()
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{
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iDevice = IntPtr.Zero;
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}
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//
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public bool Open(TMiniDisplayType aType)
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{
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if (iDevice == IntPtr.Zero)
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{
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iDevice = MiniDisplayOpen(aType);
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}
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return iDevice != IntPtr.Zero;
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}
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public void Close()
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{
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MiniDisplayClose(iDevice);
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iDevice = IntPtr.Zero;
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}
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public bool IsOpen()
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{
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return iDevice != IntPtr.Zero;
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}
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public void Clear()
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{
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MiniDisplayClear(iDevice);
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}
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public void Fill()
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{
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MiniDisplayFill(iDevice);
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}
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public void SwapBuffers()
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{
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MiniDisplaySwapBuffers(iDevice);
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}
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public int MaxBrightness()
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{
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return MiniDisplayMaxBrightness(iDevice);
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}
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public int MinBrightness()
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{
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return MiniDisplayMinBrightness(iDevice);
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}
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public void SetBrightness(int aBrightness)
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{
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if (!IsOpen()) return;
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MiniDisplaySetBrightness(iDevice, aBrightness);
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}
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public int WidthInPixels()
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{
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return MiniDisplayWidthInPixels(iDevice);
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}
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public int HeightInPixels()
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{
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return MiniDisplayHeightInPixels(iDevice);
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}
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public void SetPixel(int aX, int aY, int aValue)
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{
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MiniDisplaySetPixel(iDevice,aX,aY,aValue);
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}
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public void RequestPowerSupplyStatus()
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{
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MiniDisplayRequest(iDevice, TMiniDisplayRequest.EMiniDisplayRequestPowerSupplyStatus);
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}
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public void RequestDeviceId()
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{
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MiniDisplayRequest(iDevice, TMiniDisplayRequest.EMiniDisplayRequestDeviceId);
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}
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public void RequestFirmwareRevision()
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{
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MiniDisplayRequest(iDevice, TMiniDisplayRequest.EMiniDisplayRequestFirmwareRevision);
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}
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public bool PowerSupplyStatus()
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{
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bool res = MiniDisplayPowerSupplyStatus(iDevice);
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return res;
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}
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public TMiniDisplayRequest AttemptRequestCompletion()
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{
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return MiniDisplayAttemptRequestCompletion(iDevice);
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}
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public TMiniDisplayRequest CurrentRequest()
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{
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return MiniDisplayCurrentRequest(iDevice);
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}
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public bool IsRequestPending()
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{
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return CurrentRequest() != TMiniDisplayRequest.EMiniDisplayRequestNone;
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}
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public string Vendor()
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{
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IntPtr ptr = MiniDisplayVendor(iDevice);
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string str = Marshal.PtrToStringUni(ptr);
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return str;
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}
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public string Product()
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{
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IntPtr ptr = MiniDisplayProduct(iDevice);
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string str = Marshal.PtrToStringUni(ptr);
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return str;
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}
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public string SerialNumber()
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{
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IntPtr ptr = MiniDisplaySerialNumber(iDevice);
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string str = Marshal.PtrToStringUni(ptr);
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return str;
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}
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public string DeviceId()
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{
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IntPtr ptr = MiniDisplayDeviceId(iDevice);
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string str = Marshal.PtrToStringAnsi(ptr);
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return str;
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}
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public string FirmwareRevision()
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{
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IntPtr ptr = MiniDisplayFirmwareRevision(iDevice);
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string str = Marshal.PtrToStringAnsi(ptr);
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return str;
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}
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//Our display device handle
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IntPtr iDevice;
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public enum TMiniDisplayType
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{
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EMiniDisplayAutoDetect, /*Not yet implemented*/
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EMiniDisplayFutabaGP1212A01,
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EMiniDisplayFutabaGP1212A02
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};
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public enum TMiniDisplayRequest
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{
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EMiniDisplayRequestNone,
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EMiniDisplayRequestDeviceId,
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EMiniDisplayRequestFirmwareRevision,
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EMiniDisplayRequestPowerSupplyStatus
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};
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[DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr MiniDisplayOpen(TMiniDisplayType aType);
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[DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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public static extern void MiniDisplayClose(IntPtr aDevice);
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[DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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public static extern void MiniDisplayClear(IntPtr aDevice);
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[DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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public static extern void MiniDisplayFill(IntPtr aDevice);
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[DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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public static extern void MiniDisplaySwapBuffers(IntPtr aDevice);
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[DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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public static extern void MiniDisplaySetBrightness(IntPtr aDevice, int aBrightness);
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[DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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public static extern int MiniDisplayMinBrightness(IntPtr aDevice);
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[DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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public static extern int MiniDisplayMaxBrightness(IntPtr aDevice);
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[DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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public static extern int MiniDisplayWidthInPixels(IntPtr aDevice);
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[DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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public static extern int MiniDisplayHeightInPixels(IntPtr aDevice);
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[DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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public static extern int MiniDisplaySetPixel(IntPtr aDevice, int aX, int aY, int aValue);
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[DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr MiniDisplayVendor(IntPtr aDevice);
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[DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr MiniDisplayProduct(IntPtr aDevice);
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[DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr MiniDisplaySerialNumber(IntPtr aDevice);
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[DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr MiniDisplayDeviceId(IntPtr aDevice);
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[DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr MiniDisplayFirmwareRevision(IntPtr aDevice);
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[DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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[return: MarshalAs(UnmanagedType.I1)]
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public static extern bool MiniDisplayPowerSupplyStatus(IntPtr aDevice);
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[DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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public static extern void MiniDisplayRequest(IntPtr aDevice, TMiniDisplayRequest aRequest);
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[DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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public static extern TMiniDisplayRequest MiniDisplayAttemptRequestCompletion(IntPtr aDevice);
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[DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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public static extern TMiniDisplayRequest MiniDisplayCurrentRequest(IntPtr aDevice);
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[DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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public static extern void MiniDisplayCancelRequest(IntPtr aDevice);
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}
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}
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